Move extension_icon_set.{h,cc} to //extensions

This has no //chrome dependencies and can be moved.

This change is purely mechanical.

BUG=359836
[email protected] (background)
[email protected] (c/b/chromeos)
[email protected] (c/b/ui/cocoa/infobars)
[email protected] (c/b/ui/gtk)
[email protected] (c/b/ui/views/apps, app_list)
[email protected] (c/b/ui/views/infobars)
[email protected] (c/b/ui/webui)
[email protected] (c/b/ui/webui/extensions)
[email protected] (ntp)

Review URL: https://codereview.chromium.org/225043002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@262253 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/chrome/browser/extensions/extension_uninstall_dialog.cc b/chrome/browser/extensions/extension_uninstall_dialog.cc
index 09300de..31aef19 100644
--- a/chrome/browser/extensions/extension_uninstall_dialog.cc
+++ b/chrome/browser/extensions/extension_uninstall_dialog.cc
@@ -12,12 +12,12 @@
 #include "chrome/browser/extensions/image_loader.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
-#include "chrome/common/extensions/extension_icon_set.h"
 #include "chrome/common/extensions/manifest_handlers/icons_handler.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_source.h"
 #include "extensions/common/constants.h"
 #include "extensions/common/extension.h"
+#include "extensions/common/extension_icon_set.h"
 #include "extensions/common/extension_resource.h"
 #include "grit/generated_resources.h"
 #include "grit/theme_resources.h"